Find dy for the given values of x and ?x.y = 2x + 3; x = 18, ?x = 0.5

A. 5
B. 1
C. 0.1
D. 0.5


Answer: B

Mathematics

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Find the x- and y-intercepts of the graph of the equation. x = y2 - 9y + 20

A. x-intercept: -20; y-intercepts: -5, -4 B. x-intercepts: 5, 4; y-intercept: 20 C. x-intercepts: -5, -4; y-intercept: -20 D. x-intercept: 20; y-intercepts: 5, 4

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Evaluate the square root.

A.
B. 6
C. 1296
D. not a real number

Mathematics

Provide an appropriate response.True or false? The solution set of the equation 9(6s - 5) = 54s - 45 is {1}. Explain.

What will be an ideal response?

Mathematics

Simplify the expression.165/4

A. 128 B. 32 C. 256 D. 512

Mathematics